Konbini S Manga by Hinako Ashihara

Compilation of short stories:
* Konbini S
A half-hearted love affair, a worthless friendship. The four people who are bored everyday, encounter an old granny at the convenience store. "Do you want to work at my house? I'll pay each of you 200,000 yen." How can such a good deal exist in this world?? (200,000 yen~2140 US dollars)

* Happy? Happy!
Tomo fell in love with Nagase at first sight during the freshmen ceremony, but Nagase already has a girlfriend in another school...?!

* Shiawase no Kuni (The Happy Province)
Decades ago, a writer sold a baby, who is from mixed blood. When a reporter saw this child, he couldn't bear to leave her alone. So, does he intend to bring her to the province filled with happiness??